20529210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52639}}^1$

素因数の和:52662

約数の個数: 32

約数和(自身を含む): 53061120

約数和(自身を除く): 32531910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52639, 105278, 157917, 263195, 315834, 526390, 684307, 789585, 1368614, 1579170, 2052921, 3421535, 4105842, 6843070, 10264605, 20529210]

約数ペア:

[(1, 20529210), (2, 10264605), (3, 6843070), (5, 4105842), (6, 3421535), (10, 2052921), (13, 1579170), (15, 1368614), (26, 789585), (30, 684307), (39, 526390), (65, 315834), (78, 263195), (130, 157917), (195, 105278), (390, 52639)]